diff -r 0ae2dfa4a5cf -r fe57d9ddc7ce pidgin/prefs/pidginconversationprefs.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pidgin/prefs/pidginconversationprefs.c	Fri May 13 04:50:00 2022 -0500
@@ -0,0 +1,149 @@
+/*
+ * Pidgin - Internet Messenger
+ * Copyright (C) Pidgin Developers <devel@pidgin.im>
+ *
+ * Pidgin is the legal property of its developers, whose names are too numerous
+ * to list here.  Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <glib/gi18n-lib.h>
+
+#include <purple.h>
+
+#include <handy.h>
+#include <talkatu.h>
+
+#include "pidginconversationprefs.h"
+#include "pidgincore.h"
+#include "pidginprefsinternal.h"
+
+struct _PidginConversationPrefs {
+	HdyPreferencesPage parent;
+
+	GtkWidget *show_incoming_formatting;
+	struct {
+		GtkWidget *send_typing;
+	} im;
+	GtkWidget *use_smooth_scrolling;
+	struct {
+		GtkWidget *blink_im;
+	} win32;
+	GtkWidget *minimum_entry_lines;
+	GtkTextBuffer *format_buffer;
+	GtkWidget *format_view;
+};
+
+G_DEFINE_TYPE(PidginConversationPrefs, pidgin_conversation_prefs,
+              HDY_TYPE_PREFERENCES_PAGE)
+
+/******************************************************************************
+ * Helpers
+ *****************************************************************************/
+static void
+formatting_toggle_cb(TalkatuActionGroup *ag, GAction *action, const gchar *name, gpointer data)
+{
+	gboolean activated = talkatu_action_group_get_action_activated(ag, name);
+	if(g_ascii_strcasecmp(TALKATU_ACTION_FORMAT_BOLD, name) != 0) {
+		purple_prefs_set_bool(PIDGIN_PREFS_ROOT "/conversations/send_bold",
+		                      activated);
+	} else if(g_ascii_strcasecmp(TALKATU_ACTION_FORMAT_ITALIC, name) != 0) {
+		purple_prefs_set_bool(PIDGIN_PREFS_ROOT "/conversations/send_italic",
+		                      activated);
+	} else if(g_ascii_strcasecmp(TALKATU_ACTION_FORMAT_UNDERLINE, name) != 0) {
+		purple_prefs_set_bool(PIDGIN_PREFS_ROOT "/conversations/send_underline",
+		                      activated);
+	} else if(g_ascii_strcasecmp(TALKATU_ACTION_FORMAT_STRIKETHROUGH, name) != 0) {
+		purple_prefs_set_bool(PIDGIN_PREFS_ROOT "/conversations/send_strike",
+		                      activated);
+	}
+}
+
+/******************************************************************************
+ * GObject Implementation
+ *****************************************************************************/
+static void
+pidgin_conversation_prefs_class_init(PidginConversationPrefsClass *klass)
+{
+	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
+
+	gtk_widget_class_set_template_from_resource(
+		widget_class,
+		"/im/pidgin/Pidgin3/Prefs/conversation.ui"
+	);
+
+	gtk_widget_class_bind_template_child(
+			widget_class, PidginConversationPrefs,
+			show_incoming_formatting);
+	gtk_widget_class_bind_template_child(
+			widget_class, PidginConversationPrefs,
+			im.send_typing);
+	gtk_widget_class_bind_template_child(
+			widget_class, PidginConversationPrefs,
+			use_smooth_scrolling);
+	gtk_widget_class_bind_template_child(
+			widget_class, PidginConversationPrefs,
+			win32.blink_im);
+	gtk_widget_class_bind_template_child(
+			widget_class, PidginConversationPrefs,
+			minimum_entry_lines);
+	gtk_widget_class_bind_template_child(
+			widget_class, PidginConversationPrefs,
+			format_buffer);
+	gtk_widget_class_bind_template_child(
+			widget_class, PidginConversationPrefs,
+			format_view);
+}
+
+static void
+pidgin_conversation_prefs_init(PidginConversationPrefs *prefs)
+{
+	GSimpleActionGroup *ag = NULL;
+
+	gtk_widget_init_template(GTK_WIDGET(prefs));
+
+	pidgin_prefs_bind_checkbox(PIDGIN_PREFS_ROOT "/conversations/show_incoming_formatting",
+			prefs->show_incoming_formatting);
+
+	pidgin_prefs_bind_checkbox("/purple/conversations/im/send_typing",
+			prefs->im.send_typing);
+
+	pidgin_prefs_bind_checkbox(PIDGIN_PREFS_ROOT "/conversations/use_smooth_scrolling",
+			prefs->use_smooth_scrolling);
+
+#ifdef _WIN32
+	pidgin_prefs_bind_checkbox(PIDGIN_PREFS_ROOT "/win32/blink_im",
+			prefs->win32.blink_im);
+#else
+	gtk_widget_hide(prefs->win32.blink_im);
+#endif
+
+	pidgin_prefs_bind_spin_button(
+		PIDGIN_PREFS_ROOT "/conversations/minimum_entry_lines",
+		prefs->minimum_entry_lines);
+
+	ag = talkatu_buffer_get_action_group(TALKATU_BUFFER(prefs->format_buffer));
+	g_signal_connect_after(G_OBJECT(ag), "action-activated",
+	                       G_CALLBACK(formatting_toggle_cb), NULL);
+}
+
+/******************************************************************************
+ * API
+ *****************************************************************************/
+GtkWidget *
+pidgin_conversation_prefs_new(void) {
+	return GTK_WIDGET(g_object_new(PIDGIN_TYPE_CONVERSATION_PREFS, NULL));
+}